ATM Class 4600 and 4700

The ATM Class 4600 and 4700 are a series of articulated trams used by the ATM on the Milan urban tramway network.

ATM Class 4600 and 4700
ATM Class 4700
Car no. 4733 in 1969, in the original livery and using a trolley pole
ManufacturerStanga, Breda
Constructed1955–1960
Number built13 (Class 4600)
20 (Class 4700)
Fleet numbers4601–4613
4714–4733
Capacity36 (Seated)
139 (Standing)
Specifications
Train length19,840 mm (65 ft 1 in)
Low-floorno
Articulated sections2
Wheelbase1,800 mm (71 in)
Maximum speed50 km/h
Weight26.5 t (58,000 lb)
Traction motorsTIBB GLM 0300
Power output220.8 kW (296.1 hp)
Power supply
Current collector(s)Pantograph
Track gauge1,445 mm (4 ft 8+78 in)

They were projected in the 1950s as an articulated version of the series 5300; originally a series of 15 cars (to be numbered from 4601 to 4615) was foreseen, but the two last units were delivered in an experimental ″all electric″ version and, because of that, were numbered in the 4700 series. Some years later a second series of "all-electric" cars was built, numbered from 4716 to 4733.

Originally, the cars were painted in a two-tone-green livery, later repainted in the orange livery, and since 2010 in a white-and-yellow livery.

Bibliography

  • Giovanni Cornolò, Giuseppe Severi: Tram e tramvie a Milano 1840-1987., Azienda Trasporti Municipali, Milan 1987.

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